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https://issues.apache.org/jira/browse/DRILL-6693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16590158#comment-16590158
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ASF GitHub Bot commented on DRILL-6693:
---------------------------------------
arina-ielchiieva commented on a change in pull request #1440: DRILL-6693: When
a query is started from Drill Web Console, the UI becomes inaccessible
URL: https://github.com/apache/drill/pull/1440#discussion_r212288493
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/server/rest/WebServer.java
##########
@@ -136,7 +136,8 @@ public void start() throws Exception {
final boolean portHunt = config.getBoolean(ExecConstants.HTTP_PORT_HUNT);
final int acceptors =
config.getInt(ExecConstants.HTTP_JETTY_SERVER_ACCEPTORS);
final int selectors =
config.getInt(ExecConstants.HTTP_JETTY_SERVER_SELECTORS);
- final QueuedThreadPool threadPool = new QueuedThreadPool(2, 2, 60000);
+ final int handlers =
config.getInt(ExecConstants.HTTP_JETTY_SERVER_HANDLERS);
+ final QueuedThreadPool threadPool = new QueuedThreadPool(2, 2);
Review comment:
Given another thought to this since we are hard-coding number of threads as
well, no need to make idle time configurable. Please disregard the question.
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> When a query is started from Drill Web Console, the UI becomes inaccessible
> until the query is completed
> --------------------------------------------------------------------------------------------------------
>
> Key: DRILL-6693
> URL: https://issues.apache.org/jira/browse/DRILL-6693
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.13.0, 1.14.0
> Reporter: Anton Gozhiy
> Assignee: Vlad Rozov
> Priority: Major
> Fix For: 1.15.0
>
> Attachments: jstack.txt
>
>
> *Steps:*
> # From Web UI, run the following query:
> {noformat}
> select *
> from (
> select employee_id, full_name, first_name, last_name, position_id,
> position_title, store_id, department_id, birth_date, hire_date, salary,
> supervisor_id, education_level, marital_status, gender, management_role
> from cp.`employee.json`
> union
> select employee_id, full_name, first_name, last_name, position_id,
> position_title, store_id, department_id, birth_date, hire_date, salary,
> supervisor_id, education_level, marital_status, gender, management_role
> from cp.`employee.json`
> union
> select employee_id, full_name, first_name, last_name, position_id,
> position_title, store_id, department_id, birth_date, hire_date, salary,
> supervisor_id, education_level, marital_status, gender, management_role
> from cp.`employee.json`)
> where last_name = 'Blumberg'
> {noformat}
> # While query is running, try open the Profiles page (or any other). If It
> completes too fast, add some unions to the query above.
> *Expected result:*
> Profiles page should be opened. The running query should be listed.
> *Actual result:*
> The Web UI hangs until the query completes.
> *Notes:*
> - If you open another tab with Web Console, it also stuck when the query is
> running.
> - If the query is started from sqlline, everything is fine.
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